New Smart TV Qwerty dual side keyboard remote control for XVT323SV XVT373SV XVT423SV XVT473SV XVT553SV --this is original remote, do not need any program, only put into battery can work New Smart TV Qwerty dual side keyboard remote control for XVT323SV XVT373SV XVT423SV XVT473SV XVT553SV This is True new remote, do not need any program, only put into battery can work Workign for Vizio Smart tv remote